<template>
  <div>
    <!-- 面包屑导航区 -->
    <el-breadcrumb separator="/">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>权限管理</el-breadcrumb-item>
      <el-breadcrumb-item>角色列表</el-breadcrumb-item>
      <!-- <el-breadcrumb-item>活动详情</el-breadcrumb-item> -->
    </el-breadcrumb>

    <!-- 卡片视图 -->
    <el-card>
      <!-- 添加角色按钮 -->
      <el-row>
        <el-col>
          <el-button type="primary">添加角色</el-button>
        </el-col>
      </el-row>
      <!-- 角色列表区域 -->
      <el-table :data="rolelist" border stripe>
        <el-table-column type="expand">
          <template slot-scope="scope">
            <el-row
              :class="['bdbottom', i1 === 0 ? 'bdtop' : 'vcenter', 'vcenter']"
              v-for="(item1, i1) in scope.row.children"
              :key="item1.id"
            >
              <!-- 渲染一级权限 -->
              <el-col :span="5"
                ><el-tag
                  closable
                  @close="removeRightById(scope.row, item1.id)"
                  type=""
                  >{{ item1.authName }}</el-tag
                >
                <i class="el-icon-caret-right"></i>
              </el-col>
              <el-col :span="19">
                <!-- 通过for循环嵌套循环二级权限 -->
                <el-row
                  :class="[i2 === 0 ? '' : 'bdtop']"
                  v-for="(item2, i2) in item1.children"
                  :key="item2.id"
                >
                  <el-col :span="6">
                    <el-tag
                      closable
                      @close="removeRightById(scope.row, item2.id)"
                      type="success"
                      >{{ item2.authName }}</el-tag
                    >
                    <i class="el-icon-caret-right"></i>
                  </el-col>
                  <el-col :span="18">
                    <el-tag
                      type="warning"
                      v-for="(item3, i3) in item2.children"
                      :key="item3.id"
                      closable
                      @close="removeRightById(scope.row, item3.id)"
                    >
                      {{ item3.authName }}
                    </el-tag>
                  </el-col>
                </el-row>
              </el-col>
            </el-row>
          </template>
        </el-table-column>
        <el-table-column label="#" type="index"></el-table-column>
        <el-table-column label="角色名称"></el-table-column>
        <el-table-column label="角色描述"></el-table-column>
        <el-table-column label="操作">
          <template slot-scope="scope">
            <el-button type="primary" size="mini" icon="el-icon-edit"
              >编辑</el-button
            >
            <el-button type="danger" size="mini" icon="el-icon-delete"
              >删除</el-button
            >
            <el-button
              type="warning"
              @click="showSetRightDialog(scope.row)"
              size="mini"
              icon="el-icon-setting"
              >分配权限</el-button
            >
          </template>
        </el-table-column>
      </el-table>
      <!-- 分配权限的对话框 -->
      <el-dialog
        title="提示"
        :visible.sync="setRightDialogVisible"
        width="50%"
        @close="setRightDialogClosed"
        :before-close="handleClose"
      >
        <!-- 树形控件 -->
        <el-tree
          :data="rightslist"
          :props="treeProps"
          show-checkbox
          node-key="id"
          ref="treeRef"
          default-expand-all
          :default-checked-keys="defKeys"
          @node-click="handleNodeClick"
        ></el-tree>
        <span slot="footer" class="dialog-footer">
          <el-button @click="setRightDialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="allotRights">确 定</el-button>
        </span>
      </el-dialog>
    </el-card>
  </div>
</template>

<script>
export default {
  data() {
    return {
      // 所有角色列表数组
      rolelist: [],
      setRightDialogVisible: false,
      //   所有权限的数据
      rightslist: [],
      //   属性控件的属性绑定对象
      treeProps: {
        children: "children",
        label: "authName",
      },
      //   默认选中的节点id
      defKeys: [105],
      roleId:''
    };
  },
  created() {
    this.getRolesList();
  },
  methods: {
    async getRolesList() {
      const { data: res } = await this.$http.get("roles");
      //    console.log(res);
      if (res.meta.status != 200) {
        return this.$message.error("获取角色列表失败");
      }
      this.rolelist = res.data;
    },
    // 根据id删除权限
    async removeRightById(role, rightId) {
      const confirmResult = await this.$confirm(
        "此操作将永久删除该文件, 是否继续?",
        "提示",
        {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning",
        }
      ).catch((err) => err);
      if (confirmResult != "confirm") {
        return this.$message.info("取消了删除");
      }
      const { data: res } = await this.$http.delete(
        "roles/" + role.id + "/rights/" + rightId
      );
      if (res.meta.status != 200) {
        return this.$message.error("删除权限失败");
      }
      role.children = res.data;
      this.$message.success(res.meta.msg);
      // console.log(confirmResult);
    },
    // 展示分配权限的对话框
    async showSetRightDialog(role) {
        this.roleId=role.id
      // 获取所有权限的数据
      const { data: res } = await this.$http.get("rights/tree");
      console.log(res);
      if (res.meta.status != 200) {
        return this.$message.error("获取权限列表失败");
      }
      console.log(res);
      // 通过递归的形式获取三级的id
      this.getLeafKeys(role, this.defKeys);
      this.rightslist = res.data;
      this.setRightDialogVisible = true;
    },
    // 通过递归的形式获取三级的id
    getLeafKeys(node, arr) {
      if (!node.children) {
        return arr.push(node.id);
      }
      node.children.forEach((item) => {
        this.getLeafKeys(item, arr);
      });
    },
    setRightDialogClosed() {
      this.defKeys = [];
    },
    // 分配权限
   async allotRights() {
      console.log();
      const keys = [
        ...this.$refs.treeRef.getCheckedKeys(),
        ...this.$refs.treeRef.getHalfCheckedKeys(),
      ];
    //   console.log(keys);
    const idStr = keys.join(',')
    // console.log(idStr);
   const {data:res}=await this.$http.post('roles/'+this.roleId+'/rights',{rids:idStr})
   if(res.meta.status!=200){
       return this.$message.error('分配权限失败')
   }
        this.$message.success('分配权限成功')
        this.getRolesList();
        this.setRightDialogVisible=false

   console.log(res);
    },
  },
};
</script>

<style lang="less" scoped>
.el-tag {
  margin: 7px;
  //   margin-left: 0;
}
.bdtop {
  border-top: 1px solid #eee;
}
.bdbottom {
  border-bottom: 1px solid #eee;
}
.vcenter {
  display: flex !important;
  align-content: center !important;
  //   justify-content: center;
}
// .el-row{
//      display: flex;
//   align-content: center;
// }
</style>>